918fe04351
PR-URL: https://github.com/nodejs/node/pull/58070 Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com> Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
24 lines
652 B
JavaScript
24 lines
652 B
JavaScript
// Copyright 2024 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
// Flags: --allow-natives-syntax --turbolev --turbofan
|
|
|
|
function ref_err_if_hole(x) {
|
|
switch (x) {
|
|
case 0:
|
|
let v = 17;
|
|
case 1:
|
|
return v;
|
|
}
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(ref_err_if_hole);
|
|
assertEquals(17, ref_err_if_hole(0));
|
|
%OptimizeFunctionOnNextCall(ref_err_if_hole);
|
|
assertEquals(17, ref_err_if_hole(0));
|
|
|
|
assertThrows(() => ref_err_if_hole(1), ReferenceError,
|
|
"Cannot access 'v' before initialization");
|
|
assertOptimized(ref_err_if_hole);
|